The Coast Guard Marine Safety Center issued the 38th U.S. Coast Guard Ballast Water Management System Type Approval Certificate to Knutsen Ballast Water AS after a detailed review of the manufacturer’s type approval application determined the system met the requirements of 46 CFR 162.060.
Source: USCG
Link: Marine Safety Center issues Ballast Water Management System Type Approval Certificate to Knutsen Ballast Water AS